This IRM is not predicated on definitions of systems or applications. The IRM is specific to the computer platforms and their
operating systems whether they are a system or apart of a system or major application.

Material Changes

(2) Effective July 1, 2012, the Modernization Information Technology Service (MITS) organization changed its name to IRS Information
Technology (IT). All instances of MITS within this IRM have been updated to IRS Information Technology organization to reflect
the change. (Link to IT website communication is: http://it.web.irs.gov/ProceduresGuidelines/ITNameChange.htm)

(3) The following sections have been updated/clarified with this version of policy:

(4) Minor grammatical and typographical corrections have been incorporated throughout this document.

Effect on Other Documents

IRM 10.8.10, dated November 29, 2011, is superseded. In addition, this IRM was updated to incorporate Interim Guidance IT-10-0912-18
and MITS-10-0212-06.

Audience

IRM 10.8.10 shall be distributed to all personnel responsible for ensuring that adequate security is provided to Linux/Unix
information systems and IRS information residing on these systems. The policy applies to all employees, contractors, and vendors
of the IRS.